CN109333402A - A kind of gapless locking fixture - Google Patents
A kind of gapless locking fixture Download PDFInfo
- Publication number
- CN109333402A CN109333402A CN201811314658.4A CN201811314658A CN109333402A CN 109333402 A CN109333402 A CN 109333402A CN 201811314658 A CN201811314658 A CN 201811314658A CN 109333402 A CN109333402 A CN 109333402A
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- China
- Prior art keywords
- locking fixture
- lock lever
- check lock
- screw
- ontology
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- 238000003780 insertion Methods 0.000 claims abstract description 22
- 230000037431 insertion Effects 0.000 claims abstract description 22
- 230000033001 locomotion Effects 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 8
- 238000005299 abrasion Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Clamps And Clips (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention discloses a kind of gapless locking fixture, including locking fixture ontology, I-shaped check lock lever, check lock lever drives screw；The vertical section of the locking fixture ontology is in U-shape structure, including open end and closed end, the open end includes upper and lower locking fixture body, the moving guide rail for the placement of I-shaped check lock lever and movement is offered in the upper and lower locking fixture body respectively, the screw insertion hole for check lock lever driving screw insertion is offered in the closed end；It is equipped with threaded hole at I-shaped check lock lever center, and is inserted into and is moved in rail；The check lock lever drives screw to be inserted into from screw insertion hole, and it is inserted into and is placed in I-shaped check lock lever screwed hole of centre, it rotates check lock lever and drives screw, I-shaped check lock lever can drive screw mobile to the open end of locking fixture ontology or closed end by screw-driven with check lock lever.Present clip, which can be realized, securely clamps workpiece, with workpiece intimate contact, reduces radial force, and it is convenient to operate, and has a good application prospect.
Description
Technical field
The present invention relates to clamp technology, in particular to a kind of gapless locking fixture.
Background technique
Precision speed reduction device is widely used in the every field such as national economy and national defense industry, with industrial automation technology
Development, also higher and higher to the performance indicator requirement of retarder, especially in robot field, the transmission efficiency of retarder turns
Speed requirement and load capacity etc. drastically influence system operating accuracy and service life, therefore become to the performance detection of retarder
It is particularly important.
It needs to fix reducer input shaft in the measurement test of retarder torsion stiffness, only be added in output shaft
It carries, records torque and corner value forms stiffness curve.In the measurement test of retarder back clearance, need the output end to retarder solid
It is fixed, measure the value of angular displacement of input terminal.Therefore locking fixture must be used, realization is locked to input shaft or output shaft.
Input terminal and output end must assure that the braking effect of locking in being locked, and otherwise will have an impact to testing result.?
In detection process, since the radial force that locking generates will lead to measurement shafting, deformation occurs, will be to retarder performance measurements
Error is introduced, therefore it is required that the radial force that locking fixture generates the measurement shafting of retarder detector is very small.In order to improve
The measurement efficiency of retarder detector also needs the clamping speed for improving locking fixture and locking speed.Locking fixture will be mounted on
Retarder detector enclosure interior, it is desirable that in locking fixture use process, aperture on shell can be inserted by allen wrench
Fixture is locked.
But the connection between current locking fixture structure is more complicated, the clamping time is longer, and use is more troublesome, and
And it is unable to satisfy precision speed reduction device detector and the radial force reduction of locking fixture and good braking effect etc. is required.Therefore, it is necessary to
A kind of gapless locking fixture is designed, the intimate contact that makes locking fixture between the device that is locked, to reduce radial force and mention
The structure design of high braking effect, locking fixture must be compact, easy for installation in retarder detector, occupies little space, right
The structure design of retarder detector does not have an impact, while can be pressed from both sides using allen wrench to locking outside reducer shell
Tool is locked.
Summary of the invention
The purpose of the present invention is overcoming deficiency in the prior art, a kind of gapless locking fixture, this locking fixture are provided
It can guarantee fixture and be locked workpiece intimate contact and to reduce radial force, not destroy the shape for the workpiece that is locked.
The technical scheme adopted by the invention is that: a kind of gapless locking fixture, including locking fixture ontology, I-shaped locking
Bar, check lock lever drive screw；The vertical section of the locking fixture ontology is in U-shape structure, including open end and closed end, the lock
The open end of clamper ontology includes upper locking fixture body and lower locking fixture body, the upper locking fixture body and the lower locking
Offer and placed for the I-shaped check lock lever and mobile moving guide rail respectively in clamp body, the locking fixture ontology it is silent
The screw insertion hole for check lock lever driving screw insertion is offered in end；The I-shaped check lock lever setting is pressed from both sides in the locking
In the open end for having ontology, the both ends of the I-shaped check lock lever are located at the moving guide rail of the upper locking fixture body and described
In the moving guide rail of lower locking fixture body, the I-shaped check lock lever is moved along moving guide rail；The I-shaped check lock lever
Threaded hole is offered at center；One end of check lock lever driving screw is located in the screw insertion hole, and the other end is from described
Screw insertion hole is pierced by the threaded hole for being inserted into the I-shaped check lock lever and is cooperatively connected with the threaded hole, so that the lock
When tight bar driving screw rotation, the I-shaped check lock lever can drive screw to the locking by screw-driven with the check lock lever
The closed end of chuck body is mobile will to be compressed to central axis at the clip of the locking fixture ontology or to the locking fixture
The open end of ontology is mobile to make the locking fixture ontology restore shape.
Further, a kind of gapless locking fixture of the present invention further includes for limiting the check lock lever driving screw in axis
To the screw limiting device of movement, so that check lock lever driving screw can only make rotating motion in the screw insertion hole.
Wherein, the screw limiting device includes screw lock baffle ring and fluting tapered end holding screw, the screw locking
The root position for being located at the upper locking fixture body and the lower locking fixture body in the locking fixture ontology is arranged in retaining ring,
The check lock lever driving screw is inserted into the threaded hole of the I-shaped check lock lever by the screw lock baffle ring；The fluting
Tapered end holding screw is connect with the threaded hole of the screw lock baffle ring, and is in contact with check lock lever driving screw.
Further, the width of the T-shaped structure of the moving guide rail, the moving guide rail is greater than the I-shaped check lock lever
Width guarantees that the I-shaped check lock lever can be realized in the moving guide rail to the open end of the locking fixture ontology or silent
End movement.
Further, the lower surface and horizontal plane of the upper surface of the upper locking fixture body and the lower locking fixture body
Angle is 5 °, guarantee have an inclination angle convenient for the upper locking fixture body and the lower locking fixture body deformation occurs.
Further, the upper surface of the upper locking fixture body, the root position setting positioned at the upper locking fixture body
There is a cylindrical gap, the lower surface of the lower locking fixture body is provided with circle positioned at the root position of the lower locking fixture body
Cylindricality gap, conducive to the open end of the locking fixture ontology, deformation occurs.
Further, the shape of the I-shaped check lock lever is in I-shaped structure, so that the both ends of the surface of the I-shaped check lock lever
It can be stuck on the upper surface of the upper locking fixture body and the lower surface of the lower locking fixture body, and can be locked in the I-shaped
Bar applies the upper locking fixture body and the lower locking fixture body into the closed end moving process of the locking fixture ontology
Add longitudinal active force.
Further, the upper surface of the I-shaped check lock lever and the upper locking fixture body and the lower locking fixture body
The lower surface part of the surface that is in contact is arcuate structure, to reduce mill of the I-shaped check lock lever on the sloped surface in moving process
Damage.
Further, it is offered in the closed end of the locking fixture ontology and places fixation for the locking fixture ontology
Locking fixture fixation hole.
The beneficial effects of the present invention are: a kind of gapless locking fixture of the present invention can be realized the gapless to measured workpiece
Fixed clamp makes the clamped place's uniform force of workpiece, reduces radial force, keep piece-holder stable and firm.This fixture operation is simple,
The clamping time of locking fixture is saved, working efficiency is improved.
Detailed description of the invention
A kind of Fig. 1: gapless locking fixture structural schematic diagram of the present invention；
A kind of Fig. 2: positive structure diagram of gapless locking fixture of the present invention；
A kind of Fig. 3: overlooking structure diagram of gapless locking fixture of the present invention；
Fig. 4: the structural schematic diagram of I-shaped check lock lever in a kind of gapless locking fixture of the present invention.
Attached drawing mark: 1, locking fixture ontology, 2, I-shaped check lock lever, 3, check lock lever driving screw, 4, screw lock baffle ring,
5, fluting tapered end holding screw；6, moving guide rail；7, locking fixture fixation hole；8, cylindrical gap.
Specific embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and cooperate attached drawing
Detailed description are as follows:
As shown in attached Fig. 1 to Fig. 4, a kind of gapless locking fixture, including locking fixture ontology 1, I-shaped check lock lever 2, lock
Tight bar drives screw 3, screw limiting device.
Locking fixture ontology 1 of the present invention, check lock lever, which drives, to be connected at 3 screw thread of screw with 2 internal screw thread of I-shaped check lock lever, is led to
Screw-driven is crossed, rotation check lock lever drives screw 3 to drive closed end or opening of the I-shaped check lock lever 2 to locking fixture ontology 1
End movement is made locking fixture ontology 1 deformation occurs, is bent to toolholder central axis by I-shaped check lock lever 2 to closed end is mobile
Deformation makes to draw close to center until contacting and clamping with the workpiece that is locked at fixture clip, and realization is to workpiece gapless fixing clamp
It holds, so that locking fixture is restored original shape to open end is mobile by I-shaped check lock lever 2.
The vertical section of the locking fixture ontology 1 is in U-shape structure (that is, the structure that is in U-shape when laterally disposed), including open end
And closed end.The open end of the locking fixture ontology 1 includes upper locking fixture body and lower locking fixture body, and the locking is gripped
Clip is formed between the top of the specific and described lower locking fixture body；In the upper locking fixture body and the lower locking fixture body
It offers respectively described for the I-shaped check lock lever 2 placement and mobile moving guide rail 6, the T-shaped structure of the moving guide rail 6
The width of moving guide rail 6 is greater than the width of the I-shaped check lock lever 2, it is ensured that the I-shaped check lock lever 2 can be led in the movement
It is realized in rail 6 mobile to the open end of the locking fixture ontology 1 or closed end；The upper surface of the upper locking fixture body and institute
The angle of the lower surface and horizontal plane of stating lower locking fixture body is 5 °, and guarantee has certain inclination angle convenient for the upper locking fixture body
Deformation occurs with the lower locking fixture body；The upper surface of the upper locking fixture body, positioned at the root of the upper locking fixture body
Position, which installs, is equipped with cylindrical gap 8, the lower surface of the lower locking fixture body, positioned at the lower locking fixture body root position
It installs and is equipped with cylindrical gap 8, deformation occurs conducive to the open end of the locking fixture ontology 1.The locking fixture ontology 1
It is offered in closed end for the screw insertion hole of the check lock lever driving insertion of screw 3 and is placed for the locking fixture ontology 1
Fixed locking fixture fixation hole 7.In the locking fixture ontology 1, it is located at the upper locking fixture body and the lower locking folder
Specific root position offers the rectangular through holes placed for the screw lock baffle ring 4.
The I-shaped check lock lever 2 is arranged in the open end of the locking fixture ontology 1, is inserted directly into logical to the movement
Kong Zhong, that is, the both ends of the I-shaped check lock lever 2 be located at the upper locking fixture body moving guide rail 6 and the lower locking
In the moving guide rail 6 of clamp body, the I-shaped check lock lever 2 is moved along moving guide rail 6.Outside the I-shaped check lock lever 2
Shape is in I-shaped structure, and the both ends of the surface of the I-shaped check lock lever 2 is enabled to be stuck in upper surface and the institute of the upper locking fixture body
On the lower surface for stating lower locking fixture body, and can be mobile to the closed end of the locking fixture ontology 1 in the I-shaped check lock lever 2
Longitudinal active force is applied to the upper locking fixture body and the lower locking fixture body in the process, so that the locking be pressed from both sides
Have and is compressed at the clip of ontology 1 to central axis.The upper surface of the I-shaped check lock lever 2 and the upper locking fixture body and described
The lower surface of the lower locking fixture body part of the surface that is in contact is arcuate structure, to reduce the I-shaped check lock lever 2 in inclined surface
Abrasion during upper movement.Threaded hole is offered at the center of the I-shaped check lock lever 2, to drive spiral shell with the check lock lever
Nail 3 is connected.The screw limiting device is used to limit the axial movement of the check lock lever driving screw 3, so that the locking
Bar driving screw 3 can only make rotating motion in the screw insertion hole.The screw limiting device includes screw lock baffle ring 4
With fluting tapered end holding screw 5, the screw lock baffle ring 4 is arranged in the rectangular through holes of the locking fixture ontology 1；Institute
It states fluting tapered end holding screw 5 to connect with the threaded hole of the screw lock baffle ring 4, and drives 3 phase of screw with the check lock lever
Contact.
The check lock lever driving screw 3 uses hexagon socket cap head screw.One end of the check lock lever driving screw 3 is located at
In the screw insertion hole, the other end is pierced by from the screw insertion hole, by the screw lock baffle ring 4 centre bore,
It is inserted into the threaded hole of the I-shaped check lock lever 2 and is cooperatively connected with the threaded hole.
In use, the I-shaped check lock lever 2 is inserted into from the moving guide rail upper end, the I-shaped check lock lever 2 is rotated, it is made
Screwed hole of centre is overlapped with check lock lever driving 3 placement direction of screw；The check lock lever drives screw 3 from the locking fixture
Screw insertion hole insertion on ontology 1, the screw lock baffle ring 4 are put by the rectangular through holes of the locking fixture ontology 1
Enter, the check lock lever driving screw 3 is made to pass through the central through hole of screw lock baffle ring 4, threaded portion insertion is placed on the work
In the screwed hole of centre of word check lock lever 2.The fluting tapered end holding screw 5 is inserted into the threaded hole of the screw lock baffle ring 4,
It is in contact with check lock lever driving screw 3, do the check lock lever driving screw 3 can only in the screw insertion hole and rotate
Movement, cannot be mobile to open end or closed end two sides.
When work, screw 3 is driven to rotate to side the check lock lever using allen wrench, the I-shaped check lock lever 2
Using screw-driven, the closing to the locking fixture ontology 1 in the moving guide rail 6 of screw 3 will be driven with the check lock lever
Mouth end is mobile, will compress at the clip of the locking fixture ontology 1 to central axis until with the workpiece rigid contact that is locked；Pine
When opening the locking fixture ontology 1, using allen wrench to the other side rotate by the clip of the locking fixture ontology 1 to
Central axis compresses, and drives the I-shaped check lock lever 2 in the moving guide rail 6 to the locking fixture sheet by screw-driven
The open end of body 1 is mobile, and the locking fixture ontology 1 is made to restore shape.
Although the preferred embodiment of the present invention is described above in conjunction with attached drawing, the invention is not limited to upper
The specific embodiment stated, the above mentioned embodiment is only schematical, be not it is restrictive, this field it is common
Technical staff under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, may be used also
By make it is many in the form of, within these are all belonged to the scope of protection of the present invention.
Claims (9)
1. a kind of gapless locking fixture, which is characterized in that including locking fixture ontology, I-shaped check lock lever, check lock lever drives spiral shell
Nail；
The vertical section of the locking fixture ontology is in U-shape structure, including open end and closed end, and the locking fixture ontology is opened
Mouth end includes upper locking fixture body and lower locking fixture body, is opened respectively in the upper locking fixture body and the lower locking fixture body
Equipped with the moving guide rail for I-shaped check lock lever placement and movement, offer in the closed end of the locking fixture ontology for institute
State the screw insertion hole of check lock lever driving screw insertion；
The I-shaped check lock lever is arranged in the open end of the locking fixture ontology, and position is distinguished at the both ends of the I-shaped check lock lever
In in the moving guide rail of the upper locking fixture body and the moving guide rail of the lower locking fixture body, so that the I-shaped check lock lever
It can be moved along moving guide rail；Threaded hole is offered at the center of the I-shaped check lock lever；
One end of the check lock lever driving screw is located in the screw insertion hole, and the other end is pierced by slotting from the screw insertion hole
Enter in the threaded hole of the I-shaped check lock lever and with the threaded hole and be cooperatively connected, so that check lock lever driving screw rotation
When, the I-shaped check lock lever can drive closed end of the screw to the locking fixture ontology with the check lock lever by screw-driven
Moving will compress to central axis at the clip of the locking fixture ontology or move to the open end of the locking fixture ontology
The locking fixture ontology is set to restore shape.
2. a kind of gapless locking fixture according to claim 1, which is characterized in that further include for limiting the locking
Bar drives screw in the screw limiting device of axial movement, so that check lock lever driving screw can only be in the screw insertion hole
Inside make rotating motion.
3. a kind of gapless locking fixture according to claim 2, which is characterized in that the screw limiting device includes spiral shell
Nail locking retaining ring and fluting tapered end holding screw, the screw lock baffle ring setting are located at described in the locking fixture ontology
The root position of upper locking fixture body and the lower locking fixture body, the check lock lever driving screw pass through screw locking gear
Circle is inserted into the threaded hole of the I-shaped check lock lever；The screw thread of fluting the tapered end holding screw and the screw lock baffle ring
Hole connection, and be in contact with check lock lever driving screw.
4. a kind of gapless locking fixture according to claim 1, which is characterized in that the T-shaped structure of moving guide rail,
The width of the moving guide rail is greater than the width of the I-shaped check lock lever, guarantees that the I-shaped check lock lever can be in the moving guide rail
It is middle to realize to the open end of the locking fixture ontology or closed end movement.
5. a kind of gapless locking fixture according to claim 1, which is characterized in that the upper table of the upper locking fixture body
The angle of the lower surface and horizontal plane of face and the lower locking fixture body is 5 °, and guarantee has an inclination angle convenient for the upper locking fixture
Deformation occurs for body and the lower locking fixture body.
6. a kind of gapless locking fixture according to claim 1, which is characterized in that the upper table of the upper locking fixture body
Face is provided with cylindrical gap, lower surface, the position of the lower locking fixture body positioned at the root position of the upper locking fixture body
The root position of the lower locking fixture body is provided with cylindrical gap, occurs conducive to the open end of the locking fixture ontology
Deformation.
7. a kind of gapless locking fixture according to claim 1, which is characterized in that the shape of the I-shaped check lock lever is in
I-shaped structure, enable the both ends of the surface of the I-shaped check lock lever be stuck in the upper locking fixture body upper surface and the lower lock
It grips on specific lower surface, and can be right into the closed end moving process of the locking fixture ontology in the I-shaped check lock lever
The upper locking fixture body and the lower locking fixture body apply longitudinal active force.
8. a kind of gapless locking fixture according to claim 1, which is characterized in that the I-shaped check lock lever and it is described on
The upper surface of locking fixture body and the lower surface of the lower locking fixture body are in contact part of the surface for arcuate structure, to reduce
State abrasion of the I-shaped check lock lever on the sloped surface in moving process.
9. a kind of gapless locking fixture according to claim 1, which is characterized in that the locking fixture ontology it is silent
It is offered in end and places fixed locking fixture fixation hole for the locking fixture ontology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811314658.4A CN109333402B (en) | 2018-11-06 | 2018-11-06 | Gapless locking clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811314658.4A CN109333402B (en) | 2018-11-06 | 2018-11-06 | Gapless locking clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109333402A true CN109333402A (en) | 2019-02-15 |
| CN109333402B CN109333402B (en) | 2024-05-17 |
Family
ID=65313965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811314658.4A Active CN109333402B (en) | 2018-11-06 | 2018-11-06 | Gapless locking clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109333402B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114393544A (en) * | 2022-01-26 | 2022-04-26 | 浙江优凯实业有限公司 | Automatic riveting machine for high-speed section dust cover of transmission shaft |
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| DE10040859A1 (en) * | 2000-08-21 | 2002-03-07 | Ingenieur Beratung Ibi | Screw clamp has slide rail for support piece, aligning elements, fixed bracket with clamping surfaces, spindle and handle, and couplings |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114393544A (en) * | 2022-01-26 | 2022-04-26 | 浙江优凯实业有限公司 | Automatic riveting machine for high-speed section dust cover of transmission shaft |
| CN114393544B (en) * | 2022-01-26 | 2024-02-20 | 浙江优凯实业有限公司 | Automatic riveting machine for high-speed joint dust cover of transmission shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109333402B (en) | 2024-05-17 |
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